87728140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{141497}}^1$

素因数の和:141537

約数の個数: 24

約数和(自身を含む): 190173312

約数和(自身を除く): 102445172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 141497, 282994, 565988, 707485, 1414970, 2829940, 4386407, 8772814, 17545628, 21932035, 43864070, 87728140]

約数ペア:

[(1, 87728140), (2, 43864070), (4, 21932035), (5, 17545628), (10, 8772814), (20, 4386407), (31, 2829940), (62, 1414970), (124, 707485), (155, 565988), (310, 282994), (620, 141497)]